,.
Connectors
Pl = Fits into Socket J2 on the motherboard.
P3 = 25pin female RS-232 connector (Port l/Port A).
P4 = 25pin female RS-232 connector (Port 2/Part B).
LED1
J12IJ13 J14lJ15
R49
Jll
P4
P3
Figure 22
Dual RS-232/2120 Communication Board
AUXILIARY RELAY CARDS
NOTE:
Three types of auxiliary relay cards are available: a 4-Point, 2A card (562-760) an 8-Point, 3A card (565-
045), and a 4-Point, 1OA card (562-951).
l
The 2A card and the 3A card have relays and fuses: the 1 OA card relays and fuses are found on the card’s
motherboard.
Features and Functions
The auxiliary relay cards are capable of controlling up to eight points consisting of motors, doors, elevators, etc.,
and monitoring the status of up to eight feedback points.
l
Controlled points may be either turned ON, turned OFF, or coded ON and OFF.
l
The contacts of the relays on the 562-760 4-Point, e-Amp card are rated for 2A at 30V AC/DC, and 0.5A at
12OVAC.
l
The contacts of the relays on the 565-045 8-Point, 3-Amp card are rated for 3A at 30V AC/DC, and 0.5A at
12OVAC.
Component Locations and Functions (Figure 23)
LED1
Lights when there is a trouble associated with the board.
39